... LCD,measuring volt,amp,watt,var,va,Hz, cosf,kwh,kvarh, harmonics,demand 2. RS485/Modbus, Profibus, Bacnet function 3. 8MB PMAC770 Multifunction Power Meter ... ØSuit for LV/ HV voltage system For low voltage system, PMAC770 direct connect up ... high voltage system, PMAC770 need to connect with PTs, PT ratio programmable ØNew appearance and design Large LCD display ...